HP XP7 Storage User Manual

Page 134

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Displayed Item

Description

No

summary

displayed

Summary

displayed

Status

Status of the path

Online: Online

Offline(C): Offline status caused by a command

operation

Offline(E): Offline due to an error

Online(S): I/O operations to the primary volume (P-

VOL) in an HAM environment are suppressed.

Online(D): The paths to the primary volume (P-VOL)

in an HAM environment can be recovered

automatically.

Paths that are in Offline(E) status require corrective

action. The appropriate action can be determined by

referring to

What To Do for a Path Error on page 5-2

.

Type

#1

Type

Attribute of the path

Own: Owner path

Non: Non-owner path

When connecting to Universal Storage Platform V/VM

series, Virtual Storage Platform series, VSP G1000 series,
Hitachi AMS2000 series

#2

, Hitachi SMS series

#2

, HUS100

series

#2

, or HUS VM, all paths are owner paths.

IO-Count

#1

-

Total I/O count for the path, indicated by a decimal
number. The maximum value that can be displayed is 2

32

-

1 (4294967295). If the total I/O count reaches the

maximum value, it will re-start from 0.
To reset the IO-Count value to 0, execute the dlnkmgr

command's clear operation. Executing the clear operation

also resets the number of I/O errors (IO-Errors) to 0. For

details about the clear operation, see

clear (Returns the

Path Statistics to the Initial Value) on page 6-3

.

However, a hyphen (-) is displayed when an algorithm

other than the following is used:

exrr: The Extended Round Robin algorithm

exlio: The Extended Least I/Os algorithm

exlbk: The Extended Least Blocks algorithm

IO-
Errors

#1

-

Total I/O error count for the path, indicated by a decimal
number. The maximum value that can be displayed is 2

32

-

1 (4294967295). If the total I/O error count reaches the

maximum value, it will re-start from 0.
To reset the IO-Errors value to 0, execute the dlnkmgr

command's clear operation. Executing the clear operation

also clears the number of I/O operations (IO-Count) to 0.
For details about the clear operation, see

clear (Returns

the Path Statistics to the Initial Value) on page 6-3

.

6-42

Command Reference

Hitachi Dynamic Link Manager (for VMware®) User Guide

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